GB2239737B - Adaptive antenna - Google Patents

Adaptive antenna

Info

Publication number
GB2239737B
GB2239737B GB9020240A GB9020240A GB2239737B GB 2239737 B GB2239737 B GB 2239737B GB 9020240 A GB9020240 A GB 9020240A GB 9020240 A GB9020240 A GB 9020240A GB 2239737 B GB2239737 B GB 2239737B
Authority
GB
United Kingdom
Prior art keywords
adaptive antenna
adaptive
antenna
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB9020240A
Other versions
GB2239737A (en
GB9020240D0 (en
Inventor
J E Hudson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nortel Networks Ltd
STC PLC
Alcatel Submarine Networks UK Ltd
Nortel Networks Optical Components Ltd
Original Assignee
Northern Telecom Ltd
STC PLC
Northern Telecom Europe Ltd
STC Submarine Systems Ltd
STC Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Northern Telecom Ltd, STC PLC, Northern Telecom Europe Ltd, STC Submarine Systems Ltd, STC Ltd filed Critical Northern Telecom Ltd
Publication of GB9020240D0 publication Critical patent/GB9020240D0/en
Publication of GB2239737A publication Critical patent/GB2239737A/en
Application granted granted Critical
Publication of GB2239737B publication Critical patent/GB2239737B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
GB9020240A 1990-01-06 1990-09-17 Adaptive antenna Expired - Fee Related GB2239737B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909000307A GB9000307D0 (en) 1990-01-06 1990-01-06 Adaptive antenna

Publications (3)

Publication Number Publication Date
GB9020240D0 GB9020240D0 (en) 1990-10-31
GB2239737A GB2239737A (en) 1991-07-10
GB2239737B true GB2239737B (en) 1994-05-11

Family

ID=10668928

Family Applications (2)

Application Number Title Priority Date Filing Date
GB909000307A Pending GB9000307D0 (en) 1990-01-06 1990-01-06 Adaptive antenna
GB9020240A Expired - Fee Related GB2239737B (en) 1990-01-06 1990-09-17 Adaptive antenna

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB909000307A Pending GB9000307D0 (en) 1990-01-06 1990-01-06 Adaptive antenna

Country Status (1)

Country Link
GB (2) GB9000307D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010007135A (en) 1999-05-31 2001-01-26 니시무로 타이죠 Sound system and sound device equipped with headphone
US8044846B1 (en) * 2007-11-29 2011-10-25 Lockheed Martin Corporation Method for deblurring radar range-doppler images
US8737944B2 (en) 2010-05-21 2014-05-27 Kathrein-Werke Kg Uplink calibration system without the need for a pilot signal

Also Published As

Publication number Publication date
GB9000307D0 (en) 1990-10-17
GB2239737A (en) 1991-07-10
GB9020240D0 (en) 1990-10-31

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20070917